Crusher.



R. C. NBWHOUSE.

CBUSHER.

APyLroA'rIon Pimm 23.13. 1912.

1,081,083. Patented July 2,1912.

wlw-Nessie fyMlNvE-:NTGR- MMM/EY /f m ATTDRNEY- housing UNITEDSTATEs PATENT OFFICE. f

RAY C. NEWHOUSE, OF

MILWAUKEE, WISCONSIN, ASSIGNOR TO ALLIS-CHALMERS COMPANY, OF MILWAUKEE. WISCONSIN, A CORPORATION OF NEW JERSEY.

CRUSHER.

Specification of Letters Patent.

Patented July 2., 1912.

Application filed April 13, 1912.v Serial No. 690,587.

new and useful Improvement in Crushers, of

which the following is a specification.

This invention relates to improvements in the construction of Crushers for rock and ore.

The objectof the invention is to produce a Crusher of the type in which one of the pair of opposed crusher element-s is gyrated to produce crushing, and both ofthe elements are rotated to cause feeding of the .material through the Crusher chamber by centrifugal force, which is simple in construct-ion and efiicient in operation, and especially in which the friction is reduced.

The primary features of the Crusher herein disclosed are claimed in co-pending ap plication S. N. 609,649 filed Feb. Q0, 1911.

A clear conception of one embodiment of the invention can be had by referring to the drawing accompanying and forming a part of this specification in which like reference characters designate the same parts in different views.

Figure 1 is a transverse vertical section through a Crusher and its inclosing casing. F ig. 2 is a transverse horizontal section through the crusher. the section being taken along the line 11-11 of Fig. 1, looking in the direction of the arrow.

The orusher supporting frame. 15 consists essentially of a cent-ral cylindrical portion provided at its upper end with a flange 151 upon which the crushing members are supported, and at its lower end with a gear housing 152. Liners 30 are. mounted upon the upper end of the frame 15 and these together with the cap 1() form `the inclosing for the crushing members. The frame 15 is provided with an inclined portion directed toward the discharge opening 26, along which t'he crushed material can flow by gravity during itspassage from'the crushing chamber to the discl'iarge opening 26. The cap 10 is provided with' a lined hopper 1 which is adapted to direct the raw material to the crushing chamber. The cap Q5 closes the lower end of the gear chamber within the. housing 152 and forms a bearing for the rating eccentric The cap 25 is provi ed witli oil. distributing ports 9A.

tlnuous discharge opening adjacent the ou.

The caps 10, 25, are removable. thus permitting ready inspection ot' the Crusher cley ments.

The concave crushing roll or member 5 is provided with a central inlet opening and has its crushing surface protected by liners The convex crushing roll or member is conical in shape and extends within the concave member 5. The .crushing chamber` titi Q is formed between the opposed crushing c?.

surfaces of the members 4, 5, and has a c peripheries of these members. The comi member 5 is supported by n tlange 9 formed in one with the shaft 14 by means of a ries of collars 6 and washers 61 which pei,"- mit adjustability of the parts to vary t5 distance between the crushing surfaces. flange 9 has a lower plane surface which l' acts with bearing plates 17, plates resting directly upon an upper plane surface of the flange 151 formed on the frame 15. The convex member 4 has a lower plane surface which coacts directly with the bearing plates 18. the lower plane surface of which coaets directly with the upper plane surface of the flange 9. They outerhollow shaft 14 closely fits the bore of the wearing bushing 16 havingda liner 161.r which is secured to the frame 15. ner shaft 12 has a tapered end 7 which es tends into a recess in the member 4f The tapered end 7 of the shaft 1Q- coaet-s along*f one. side of the bore of the cylindrical busliing S secured in the recess of the member Il. The tapered intermediate portion 11 of the shaft. 12 extends through bushing 13 which is securedY within the outef shaft 14. The portion 11 of the shaft 12 cr acts along one side of the bore of the bush ,ing 153. The shaft l2 is suspended from the outer shaft 14 through the bushinA 13 b v means of a collar formed on t e inner` shaft 1Q directly above the tapered portion 11. Tt will thus be seen that the entire weight of the crushing members and their driving shafts-is carried vby the frame 15 through the bearing plate 17. 1t should also be noted that thepshatt l2 has rolling'engagement. with the bushings 8, 137 since.

The ia.-

the bore of the` ngo there (is no positive connection between the f' The lower end 23 of the shaft 12 extends into a bore in the gyrating eccentric 22, the upper end of which is provided with gear teeth which mesh directly with the second pinion 21 secured to the end of the shaft 28. The shaft has a driving pulley 29 secured to the outer end thereof and is supported in a bearing 2T secured to the base of the frame l5.

During the operation of the Crusher, the material is admitted to the crushing chamber through the hopper l. and the central opening inthe crushing member rthe external shaft let is rotated by means of the pulley 2f), shaft 28, pinion 20, and gear 19, causing the material entering the chamber to travel toward the periphery thereof due to the action of centrifugal force on the' material. The larger pieces of material admitted to the chamber 2 soon become wedged between the opposed crushing surfaces of the concave crushing member 5 and the convex crushing member 4, causing the member l to rotate by friction in the same direction and at substantially the same speed as that ot' the member 5. Y

As the shaft 28 is rotated, causing the crushing members to rotate as above described, it transmits rotary motion through the pinion 21 to the eccentric 22, thus at the same time causing the eccentric 22 to be rotated in a direction opposite to the direction ot 'rotation of the crushing members 4, 5. This rotation of the eccentric 22 causes the shaft 12 to roll upon the inner cylindrical surfaces of the bushings 13, 8, giving the convex crushing member et a gyratory mo tion in addition to its rotary motion. The. gyration of the member 4 causes each portion ot the crushing surface thereof to periodically approach and recede from an adjacent portion of the crushing surface of the conca e member 5. As these crushing surfaces approach and recede from each other the material which is simultaneously advanced along the surfaces by centrifugal force is successively crushed and advanced `unt-il it has been reducedto an extent permitting its discharge from the annular discharge passage formed between the crushing members at their portions of greatest diameter. The material leaving the crushing chamber 2 is discharged against the liners 30 from which it drops by gravity to the inclined portion of the frame 15, being finally discharged through the opening 26.

It will be noted that with the present con struction the pressures against the eccentric bearing at the bottom of the shaft l2 may, with a proper designing of the parts, be reduced to a minimum since the shaft. 12 op crates a lever having the portion 11 as a fulcrum. The power is applied at the portion 223 and the Work is done at the portion 7 thereofz The engagement,during operation of the device, between the portion 7 and the bushing S, as Well as between the portion 1l and the bushing 13, is a rolling contact along a linebeing very much similar to well known suspensions used in gyratory Crushers.

This feature is an important one as it reduces the friction to a minimum. T he fea ture of permitting feeding of the material through the crushing chamber by the rotation ot the crushing members, providesl a simpie and etiicient means for quickly progressing and discharging the crushed material. The use of a single shaft 28` and pulley- 29 for oppositely rotating and gyrating the crushing members, provides a simple and effective method for utilizing a single power source to operate the entire Crusher. 1ty vviil also be noted that by changing the ratios of the pinions and gears, the relative rates of speed of the crushing members 4, 5, and gyrations of the convex member can be made any desired amount.

It should be understood that it is not desired to be limited to the 'exact details of construction shown and described, for obvious modifications will occur to a person skilled in the art. i

It is claimed and desired to secure by Letters Patent,-

1. A crusher comprising a pair of crushing members, means for causing rotation of said members to feed material from end to end thereof by centrifugal force, and a shaft for gyrating one of said members, said shaft being disconnected from said member and having its axis inclined relative to the axis of said member.

2. AV Crusher comprising pair of crushing members having a crushing chamber formed between them, means for rotating said members to feed materia-l through the crushing chamber by centrifugal force, and a shaft for gyrating one of said members, said shaft having rolling engagement with said member.

3. A crusher comprising a pair of crushing members having a crushing chamber formed between them, means for rotating said members to feed material through the crushing chamber b v centrifugal force, means for gyrating one of said members, said means having rolling engagement with said member, and means for actuating said gvrating means.

4. A Crusher comprising a pair of crushing members having a crushing chamber formed betvveen'them, means for rotating said members to feed material through the crushing` chamber b v centrifugal torce-` means for gyrating one of said members,`v

said means having rolling engagement with both of said members, and means for actuatingsaid gjf'rating means.

A crusher comprising` a ing members having a crns 'r of cruslr chamber Aing said gyrating means.

formed between them, means for rotating l In testimony whereof, the signature of the Said members to feed material through the inventor is nxed hereto in the presence of crushing chamber by centrifugal force, I two witnesses.

means for gyratng one of said members, RAY C. NEWHOUSE. #uid menus having rolling engagement wth one of said members, and means for uctuat- \Vtnesses (kms. L. BYRON, H. LHJBER. 

